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	<h1 id="firstHeading" class="firstHeading" lang="en">Hugin Projection tab</h1>
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		<div id="siteSub" class="noprint">From PanoTools.org Wiki</div>
		
		
		
		
		
		
		<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-parser-output"><h1><a name="Projection_Tab"><span class="mw-headline">Projection Tab</span></a></h1>
<p>This tab is for adjusting <a href="Projections.html" title="Projections">projection</a> of the panorama; some projections have adjustable parameters which will appear when selected.
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<div class="thumb tleft"><div class="thumbinner" style="width:502px;"><a class="external" href="https://wiki.panotools.org/File:Hugin2013_projection_tab.png"><img alt="" src="500px-Hugin2013_projection_tab.png" decoding="async" width="500" height="133" class="thumbimage" /></a>  <div class="thumbcaption"><div class="magnify"></div>Screenshot of top half of Projection tab; click for enlarged image</div></div></div>
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<h1><a name="Fit"><span class="mw-headline"><img alt="Hugin fit pano.png" src="Hugin_fit_pano.png" decoding="async" width="22" height="22" /> Fit</span></a></h1>
<p>This doesn't change any input image parameters; it just readjusts the output <a href="Field_of_View.html" title="Field of View">Field of View</a> such that all the input images are visible.  If the images are all off-centre, then there will be a lot of black space.
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<h1><a name="Field_of_View"><span class="mw-headline">Field of View</span></a></h1>
<p>This is the horizontal and vertical angle of view of the output image.
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<h1><a name="Projection"><span class="mw-headline">Projection</span></a></h1>
<p>Use the drop down list to change the output projection of the panorama. 
Note that for some projections, the scroll-bar sliders to change the
<a href="Field_of_View.html" title="Field of View">Field of View</a> are disabled.  If you are having trouble, switch to <a href="Equirectangular_Projection.html" title="Equirectangular Projection">Equirectangular Projection</a>, adjust
the field of view and switch back.
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<h1><a name="Guides"><span class="mw-headline">Guides</span></a></h1>
<p>Guides display "helping" lines in your preview to determine whether your panorama follows some basic rules with regard to the composition. 
Some well known guides are for example the <a rel="nofollow" class="external text" href="http://en.wikipedia.org/wiki/Rule_of_thirds%7C">"Rules of thirds"</a> and the "Golden ratio" (also called "golden section").
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